Home / 18,398,862,641.43-25,390,380,259.01-10,260,674,891.83

Finding the Fourth Proportional to 18,398,862,641.43, 25,390,380,259.01 and 10,260,674,891.83

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Solution

The fourth proportional to 18,398,862,641.43, 25,390,380,259.01 and 10,260,674,891.83 is: 14,159,703,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,862,641.43 : 25,390,380,259.01 = 10,260,674,891.83 : x
  2. Step 2: Convert to fraction form
    18,398,862,641.43/25,390,380,259.01 = 10,260,674,891.83/x
  3. Step 3: Cross multiply
    18,398,862,641.43x = 25,390,380,259.01 × 10,260,674,891.83
  4. Step 4: Simplify right side
    18,398,862,641.43x = 260,522,437,217,639,989,248
  5. Step 5: Solve for x
    x = 260,522,437,217,639,989,248/18,398,862,641.43
  6. Step 6: Final answer
    x = 14,159,703,362.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.